Biology: Life on Earth
10th Edition
ISBN: 9780321729712
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: Benjamin Cummings
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Textbook Question
Chapter 3, Problem 5AC
In an alternate universe where people could digest cellulose molecules, how might this affect our way of life?
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Chapter 3 Solutions
Biology: Life on Earth
Ch. 3 - Fill-in-the-Blank In organic molecules made of...Ch. 3 - 5. Fill in the following with the appropriate type...Ch. 3 - Fill-in-the-Blank Proteins are synthesized by a...Ch. 3 - Fill-in-the-Blank Till in the following with the...Ch. 3 - Fill-in-the-Blank A nucleotide consists of three...Ch. 3 - Prob. 1RQCh. 3 - List the four principal classes of biological...Ch. 3 - What roles do nucleotides play in living...Ch. 3 - Prob. 4RQCh. 3 - Prob. 5RQ
Ch. 3 - Prob. 6RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...Ch. 3 - Which kinds of bonds between keratin molecules are...Ch. 3 - In this chapter, you read that a phospholipid has...Ch. 3 - Prob. 2ACCh. 3 - Some people think that consuming fat and sugar...Ch. 3 - Saliva from infected deer can transmit chronic...Ch. 3 - In an alternate universe where people could digest...
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- In a dietary context, what is the difference between natural sugar and refined sugar? Why are refined sugars said to contain empty calories?arrow_forwardIf starch can be used as a source of energy, why does the body break it down into glucose?arrow_forwardA certain molecule will not dissolve in water and has a structure consisting of glycerol covalently bound to three fatty acid tails. What is the function of this molecule? A:Genetic information storage B:Cell communication C:Catalysis of chemical reactions D:Energy storagearrow_forward
- Both cellulose and starch are long polymers made up thousands of glucose molecules. Yet humans can digest starch but not cellulose. What is the reason that human cannot digest cellulose? Possible responses belowarrow_forwardFrom these sentences answer YES or NO, 1. Are ALL ketoses are optically active?2. Is lactose a reducing sugar?3. Does glycogen have a higher degree of branching than amylose?4. Is lactose a disaccharide made up of two units?5. Is D-ribose a component of RNA?arrow_forwardWhich of the following has reducing properties? A. Sucrose B. Lactose C. Tagatose D. Glycogenarrow_forward
- Why are enzymes necessary for all living things to function?arrow_forwardResearchers investigated whether the body recognizes sucralose as a carbohydrate. They began by feeding sucralose labeled with 14C to volunteers. Analysis of the radioactive molecules in the volunteers’ urine and feces showed that 92.8 percent of the sucralose passed through the body without being altered. Many people are worried that the chlorine atoms impart toxicity to sucralose. How would you respond to that concern?arrow_forwardIf both cellulose and starch are just polymers of glucose, why can we only get glucose from starch, while cellulose cannot be digested by our bodies? What is missing for cellulose?arrow_forward
- Disaccharides like lactose can barely get through dialysis tubing, but CAN NOT move across a cell membrane. Therefore, what must happen to disaccharides and polysaccharides that we eat in order for our cells to use them as energy molecules?arrow_forwardWhy is cholesterol important in the human body?arrow_forwardWhich of the following is/are (a) ketose? A. tagatose B. lyxose C. erythrulose D. allosearrow_forward
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